Home / 443,353.31-610,538.91-385,183.13

Finding the Fourth Proportional to 443,353.31, 610,538.91 and 385,183.13

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Solution

The fourth proportional to 443,353.31, 610,538.91 and 385,183.13 is: 530,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,353.31 : 610,538.91 = 385,183.13 : x
  2. Step 2: Convert to fraction form
    443,353.31/610,538.91 = 385,183.13/x
  3. Step 3: Cross multiply
    443,353.31x = 610,538.91 × 385,183.13
  4. Step 4: Simplify right side
    443,353.31x = 235,169,288,340.59
  5. Step 5: Solve for x
    x = 235,169,288,340.59/443,353.31
  6. Step 6: Final answer
    x = 530,433.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.